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Message:: [QUOTE="Pinchas BarZeev, post: 45684, member: 2646"]In some cases a magnifier may not be enough... As a collector of Israeli coins, I very frequently handle Pruta coins (1949-1957). They partly come in two varieties, "without pearl" and "with pearl", a tiny raised dot just below the bottom link on a coin's reverse. The "pearl", especially on the copper coins, is so tiny and so close to the bottom of the link, that determining whether it is a real "pearl" or just a more strongly pronounced unevenness, can be very difficult, even with a 5x magnifier, let alone with the naked eye. In this case I scan the coin at 1200 dpi. Then I either crop (cut out) the entire coin, or the relevant part of it only. Thereafter I scrutinize it on-screen, zooming in as much as I need. That usually does the trick.I would recommend this option when checking out rare and highly valuable varieties. No magnifier can beat that...[/QUOTE]